Brightening Serum

Le Mieux

Where to buy Possibly in stock

About this product

The Le Mieux Brightening Serum is a emulsion. Our analysis of its 55 ingredients (35 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
55
Low-risk
35
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 15/6
Good for dry skin
Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Acetyl Octapeptide-3 Bidens Pilosa Extract Caprylic/Capric Triglyceride Caprylyl Glycol Sodium Hyaluronate Hydroxypropyltrimonium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid Lecithin Galactomyces Ferment Filtrate Aloe Barbadensis Leaf Extract Sodium Hyaluronate Dimethylsilanol C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
Caution for dry skin
Maltodextrin Cyclodextrin Undecylenoyl Glycine Capryloyl Glycine Lecithin Tranexamic Acid
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Azelaic Acid Tranexamic Acid
Sensitive Skin 5/2
Good for sensitive skin
Alpha-Arbutin Tetrahexyldecyl Ascorbate Allantoin Aloe Barbadensis Leaf Extract Epigallocatechin Gallatyl Glucoside
Caution for sensitive skin
Azelaic Acid Caprylic/Capric Triglyceride

Ingredients list

55 total
Lower hazard (1) Higher hazard (3)
All55 Skin Conditioning62 Humectant14 Hair Conditioning8 Film Forming6 Fragrance5 Emollient5 Emulsion Stabilising4 Antioxidant4
EWG CIR Ingredient Name & Cosmetic Functions Notes
Galactomyces Ferment Filtrate
(Humectant)
Fungal Acne
Fungal Acne Trigger
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Oryza Sativa Bran Water
(Fragrance, Perfuming)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
Zinc Hydrolyzed Hyaluronate
(Humectant, Skin Conditioning)
1
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant)
Sodium Hyaluronate Dimethylsilanol
(Humectant, Skin Conditioning)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
(Emollient, Humectant, Skin Conditioning)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
1
Sodium Acetylated Hyaluronate
(Humectant)
Ascorbyl Propyl Hyaluronate
(Skin Conditioning)
Pyrus Malus Fruit Water
(Fragrance)
B
Malus Domestica Fruit Cell Culture Extract
(Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Azelaic Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Dipalmitoyl Hydroxyproline
(Skin Conditioning, Antistatic Agent, Hair Conditioning)
Epigallocatechin Gallatyl Glucoside
(Antioxidant, Skin Conditioning)
1
Alpha-Arbutin
(Antioxidant, Skin Conditioning)
Teprenone
(Skin Conditioning)
Oligopeptide-22
(Skin Conditioning)
1
Acetyl Octapeptide-3
(Humectant, Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
1
Palmitoyl Pentapeptide-4
(Skin Conditioning)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
Bidens Pilosa Extract
(Humectant, Skin Conditioning)
1
Diacetyl Boldine
(Skin Conditioning)
ELAEIS GUINEENSIS OIL
(Skin Conditioning Emollient)
Oryza sativa bran oil
(Skin Conditioning, Skin Conditioning Emollient)
GOSSYPIUM HERBACEUM SEED OIL
(Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
Linum Usitatissimum Seed Oil
(Perfuming, Skin Conditioning)
glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing)
1
Morus Alba Leaf Extract
(Skin Conditioning)
1
A
Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber)
1
A
Cyclodextrin
(Absorbent, Chelating Agent)
1
Glycolipids
(Skin Conditioning)
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Phospholipids
(Skin Conditioning)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
Vaccinium Myrtillus Fruit Extract
(Skin Conditioning)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Soy Isoflavones
(Skin Conditioning)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
B
Undecylenoyl Glycine
(Cleansing, Hair Conditioning, Surfactant)
1
B
Capryloyl Glycine
(Cleansing, Hair Conditioning, Surfactant)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Galactomyces Ferment Filtrate
Humectant
Sodium Hyaluronate
Skin Conditioning, Humectant
Hyaluronic Acid
Skin Conditioning, Humectant
Zinc Hydrolyzed Hyaluronate
Humectant, Skin Conditioning
Hydroxypropyltrimonium Hyaluronate
Humectant
Sodium Hyaluronate Dimethylsilanol
Humectant, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin
Good for sensitive skin

Concerns

Not fungal acne (malassezia) safe

Ingredients explained

Oryza Sativa Bran Water
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Zinc Hydrolyzed Hyaluronate
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Hydroxypropyltrimonium Hyaluronate
Film forming, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHumectant
Sodium Hyaluronate Dimethylsilanol
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Sodium Hyaluronate Crosspolymer
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
Emollient, Humectant
Limited public safety data.Read moreShow less
EWG N/A EmollientHumectantSkin conditioning
Hydrolyzed Hyaluronic Acid
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Sodium Acetylated Hyaluronate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Ascorbyl Propyl Hyaluronate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Pyrus Malus Fruit Water
Fragrance
Limited public safety data.Read moreShow less
EWG N/A Fragrance
Malus Domestica Fruit Cell Culture Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning
Lecithin
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Skin conditioningEmulsifyingSurfactantAntistatic agentEmollient
Azelaic Acid
Fragrance, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragrancePh adjusterBuffering agentMasking
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
+ 36 more — see the full ingredients list above
Galactomyces Ferment Filtrate
Humectant
Limited public safety data.Read moreShow less
EWG N/A Humectant Fungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Aloe Barbadensis Leaf Extract
Emollient, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientHumectantOral care agentSkin conditioning Good for Sensitive Skin

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Ascorbyl Propyl Hyaluronate, Tetrahexyldecyl Ascorbate

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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